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- initialize ata controller state even if master/slave device is not

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present. This would prevent the simulation from running on windows
  if no slave device was present on the ata0 interface.
This commit is contained in:
Christophe Bothamy 2003-11-25 23:00:06 +00:00
parent 89821fcd81
commit 0d281a9cca
1 changed files with 32 additions and 32 deletions
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60
bochs/iodev/harddrv.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: harddrv.cc,v 1.113 2003-11-07 22:59:05 cbothamy Exp $
// $Id: harddrv.cc,v 1.114 2003-11-25 23:00:06 cbothamy Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002 MandrakeSoft S.A.
@ -159,7 +159,7 @@ bx_hard_drive_c::init(void)
Bit8u channel;
char string[5];
BX_DEBUG(("Init $Id: harddrv.cc,v 1.113 2003-11-07 22:59:05 cbothamy Exp $"));
BX_DEBUG(("Init $Id: harddrv.cc,v 1.114 2003-11-25 23:00:06 cbothamy Exp $"));
for (channel=0; channel<BX_MAX_ATA_CHANNEL; channel++) {
if (bx_options.ata[channel].Opresent->get() == 1) {
@ -221,6 +221,34 @@ bx_hard_drive_c::init(void)
for (channel=0; channel<BX_MAX_ATA_CHANNEL; channel++) {
for (Bit8u device=0; device<2; device ++) {
// Initialize controller state, even if device is not present
BX_CONTROLLER(channel,device).status.busy = 0;
BX_CONTROLLER(channel,device).status.drive_ready = 1;
BX_CONTROLLER(channel,device).status.write_fault = 0;
BX_CONTROLLER(channel,device).status.seek_complete = 1;
BX_CONTROLLER(channel,device).status.drq = 0;
BX_CONTROLLER(channel,device).status.corrected_data = 0;
BX_CONTROLLER(channel,device).status.index_pulse = 0;
BX_CONTROLLER(channel,device).status.index_pulse_count = 0;
BX_CONTROLLER(channel,device).status.err = 0;
BX_CONTROLLER(channel,device).error_register = 0x01; // diagnostic code: no error
BX_CONTROLLER(channel,device).head_no = 0;
BX_CONTROLLER(channel,device).sector_count = 1;
BX_CONTROLLER(channel,device).sector_no = 1;
BX_CONTROLLER(channel,device).cylinder_no = 0;
BX_CONTROLLER(channel,device).current_command = 0x00;
BX_CONTROLLER(channel,device).buffer_index = 0;
BX_CONTROLLER(channel,device).control.reset = 0;
BX_CONTROLLER(channel,device).control.disable_irq = 0;
BX_CONTROLLER(channel,device).reset_in_progress = 0;
BX_CONTROLLER(channel,device).sectors_per_block = 0x80;
BX_CONTROLLER(channel,device).lba_mode = 0;
BX_CONTROLLER(channel,device).features = 0;
// If not present
BX_HD_THIS channels[channel].drives[device].device_type = IDE_NONE;
if (!bx_options.atadevice[channel][device].Opresent->get()) {
@ -409,34 +437,6 @@ bx_hard_drive_c::init(void)
}
#endif
}
BX_CONTROLLER(channel,device).status.busy = 0;
BX_CONTROLLER(channel,device).status.drive_ready = 1;
BX_CONTROLLER(channel,device).status.write_fault = 0;
BX_CONTROLLER(channel,device).status.seek_complete = 1;
BX_CONTROLLER(channel,device).status.drq = 0;
BX_CONTROLLER(channel,device).status.corrected_data = 0;
BX_CONTROLLER(channel,device).status.index_pulse = 0;
BX_CONTROLLER(channel,device).status.index_pulse_count = 0;
BX_CONTROLLER(channel,device).status.err = 0;
BX_CONTROLLER(channel,device).error_register = 0x01; // diagnostic code: no error
BX_CONTROLLER(channel,device).head_no = 0;
BX_CONTROLLER(channel,device).sector_count = 1;
BX_CONTROLLER(channel,device).sector_no = 1;
BX_CONTROLLER(channel,device).cylinder_no = 0;
BX_CONTROLLER(channel,device).current_command = 0x00;
BX_CONTROLLER(channel,device).buffer_index = 0;
BX_CONTROLLER(channel,device).control.reset = 0;
BX_CONTROLLER(channel,device).control.disable_irq = 0;
BX_CONTROLLER(channel,device).reset_in_progress = 0;
BX_CONTROLLER(channel,device).sectors_per_block = 0x80;
BX_CONTROLLER(channel,device).lba_mode = 0;
BX_CONTROLLER(channel,device).features = 0;
}
}